Sayyid Hussain Ahmad Madani (6 October 1879 – 5 December 1957) was an Indian Islamic scholar.
His followers called him Shaykh al-Islam, Shaykh al-Arab Wal Ajam to acknowledge his expertise in hadith and fiqh.
He was among the first recipients of the civilian honour of Padma Bhushan in 1954.Madani played a key role in cementing the Congress-Khilafat Pact in the 1920s and "Through a series of lectures and pamphlets during the 1920s and 1930s, Madani prepared the ground for the cooperation of the Indian Ulama with the Indian National Congress."His work Muttahida Qaumiyat Aur Islam was published in 1938 and advocated for a united country, in opposition to the partition of India.